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Finding the Fourth Proportional to 462.33, 638.10 and 265.96

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Solution

The fourth proportional to 462.33, 638.10 and 265.96 is: 367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.33 : 638.10 = 265.96 : x
  2. Step 2: Convert to fraction form
    462.33/638.10 = 265.96/x
  3. Step 3: Cross multiply
    462.33x = 638.10 × 265.96
  4. Step 4: Simplify right side
    462.33x = 169,709.87
  5. Step 5: Solve for x
    x = 169,709.87/462.33
  6. Step 6: Final answer
    x = 367.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.